D44H11, D45H11
High Power Bipolar Transistors
Page <2> 15/12/11 V1.1
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Characteristic Symbol Minimum Maximum Unit
OFF Characteristics
Collector - emitter sustaining voltage
(IC= 30 mA, IB= 0) VCEO (SUS) 80 - V
Collector - emitter cut off current
(VCE = 80 V, VBE = 0) ICES - 10
µA
Emitter - base cut off current
(VEB = 5 V, IC= 0) IEBO - 100
ON Characteristics (1)
DC current gain
(IC= 2 A, VCE = 1 V)
(IC= 4 A, VCE = 1 V)
hFE 60
40
- -
Collector - emitter saturation voltage
(IC= 8 A, IB= 400 mA) VCE (sat) - 1
V
Base - emitter saturation voltage
(IC= 8 A, IB= 800 mA) VBE (sat) - 1.5
Dynamic Characteristics
Current gain - bandwidth product (2) D44H11
(IC= 500 mA, VCE = 10 V, f = 0.5 MHz) D45H11 fT15
12 - MHz
Small - signal current gain D44H11
(VCB = 200 mA, IE= 10 V, f = 1 MHz) D45H11 Cob 220
400 - -
Switching Characteristics
Rise Time
IC= 5 A,
IB1 = -IB2 = 500 mA
D44H11
D45H11 tr-0.5
0.6 µs
Storage Time D44H11
D45H11 ts-1
1.2 µs
Fall Time D44H11
D45H11 tf-0.4
0.5 µs
Electrical Characteristics (TC= 25°C Unless Otherwise Noted)
Figure - 1 Power Derating
PD, Power Dissipation (Watts)
TC, Temperature (°C)
(1) Pulse Test : Pulse width =300 µs, duty cycle ≤2%
(2) fT= hfe• ftest